Compass sells homes in all 54 towns of San Diego County, California. Our coverage area includes the entire southwestern part of the state. Named after the 15th-century saint Didacus of Alcalá, our world-famous San Diego neighborhoods comprise the second-largest city in California with over 3 million residents countywide. Using our in-depth knowledge of local market statistics & seasonal data trends, Compass markets your property correctly so it sells when it’s best for your timeline at the price that you want.